package com.atguigu.gulimall.product.service.impl;

import com.alibaba.fastjson.TypeReference;
import com.atguigu.common.constant.ProductConstant;
import com.atguigu.common.to.SkuReductionTo;
import com.atguigu.common.to.SpuBoundTo;
import com.atguigu.common.to.es.SkuEsModel;
import com.atguigu.common.utils.R;
import com.atguigu.gulimall.product.entity.*;
import com.atguigu.gulimall.product.feign.CouponFeignService;
import com.atguigu.gulimall.product.feign.SearchFeignService;
import com.atguigu.gulimall.product.feign.WareFeignService;
import com.atguigu.gulimall.product.service.*;
import com.atguigu.gulimall.product.vo.*;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.*;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.atguigu.common.utils.PageUtils;
import com.atguigu.common.utils.Query;

import com.atguigu.gulimall.product.dao.SpuInfoDao;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;


@Service("spuInfoService")
public class SpuInfoServiceImpl extends ServiceImpl<SpuInfoDao, SpuInfoEntity> implements SpuInfoService {

    @Autowired
    SpuInfoDescService spuInfoDescService;

    @Autowired
    SpuImagesService imagesService;

    @Autowired
    AttrService attrService;

    @Autowired
    ProductAttrValueService attrValueService;

    @Autowired
    SkuInfoService skuInfoService;

    @Autowired
    SkuImagesService skuImagesService;

    @Autowired
    SkuSaleAttrValueService skuSaleAttrValueService;

    @Autowired
    CouponFeignService couponFeignService;

    @Autowired
    BrandService brandService;

    @Autowired
    CategoryService categoryService;

    @Autowired
    WareFeignService wareFeignService;

    @Autowired
    SearchFeignService searchFeignService;
    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                new QueryWrapper<SpuInfoEntity>()
        );

        return new PageUtils(page);
    }

    @Transactional
    @Override
    public void saveSpuInfo(SpuSaveVo vo) {
        SpuInfoEntity spuInfoEntity = new SpuInfoEntity();
        BeanUtils.copyProperties(vo,spuInfoEntity);
        spuInfoEntity.setCreateTime(new Date());
        spuInfoEntity.setUpdateTime(new Date());
        this.saveBaseSpuInfo(spuInfoEntity);

        List<String> decript = vo.getDecript();
        SpuInfoDescEntity descEntity = new SpuInfoDescEntity();
        descEntity.setSpuId(spuInfoEntity.getId());
        descEntity.setDecript(String.join(",",decript));
        spuInfoDescService.saveSpuInfoDesc(descEntity);

        List<String> images = vo.getImages();
        imagesService.saveImages(spuInfoEntity.getId(),images);

        List<BaseAttrs> baseAttrs = vo.getBaseAttrs();
        List<ProductAttrValueEntity> collect = baseAttrs.stream().map(attr -> {
            ProductAttrValueEntity productAttrValueEntity = new ProductAttrValueEntity();
            productAttrValueEntity.setAttrId(attr.getAttrId());

            AttrEntity byId = attrService.getById(attr.getAttrId());

            productAttrValueEntity.setAttrName(byId.getAttrName());
            productAttrValueEntity.setAttrValue(attr.getAttrValues());
            productAttrValueEntity.setQuickShow(attr.getShowDesc());
            productAttrValueEntity.setSpuId(spuInfoEntity.getId());
            return productAttrValueEntity;
        }).collect(Collectors.toList());

        attrValueService.saveProductAttr(collect);

        Bounds bounds = vo.getBounds();
        SpuBoundTo spuBoundTo = new SpuBoundTo();
        BeanUtils.copyProperties(bounds,spuBoundTo);
        spuBoundTo.setSpuId(spuInfoEntity.getId());
        R r = couponFeignService.saveSpuBounds(spuBoundTo);
        if (r.getCode() != 0){
            log.error("远程保存spu积分信息失败");
        }
        List<Skus> skus = vo.getSkus();
       if (skus != null && skus.size() > 0){
           skus.forEach(item->{
               String defaultImg = "";
               for (Images image : item.getImages()) {
                   if (image.getDefaultImg() == 1){
                       defaultImg = image.getImgUrl();
                   }
               }
               SkuInfoEntity skuInfoEntity = new SkuInfoEntity();
               BeanUtils.copyProperties(item,skuInfoEntity);
               skuInfoEntity.setBrandId(spuInfoEntity.getBrandId());
               skuInfoEntity.setCatalogId(spuInfoEntity.getCatalogId());
               skuInfoEntity.setSaleCount(0L);
               skuInfoEntity.setSpuId(spuInfoEntity.getId());
               skuInfoEntity.setSkuDefaultImg(defaultImg);
               skuInfoService.saveSkuInfo(skuInfoEntity);

               Long skuId = skuInfoEntity.getSkuId();

               List<SkuImagesEntity> imagesEntities = item.getImages().stream().map(img -> {
                   SkuImagesEntity skuImagesEntity = new SkuImagesEntity();
                   skuImagesEntity.setSkuId(skuId);
                   skuImagesEntity.setImgUrl(img.getImgUrl());
                   skuImagesEntity.setDefaultImg(img.getDefaultImg());
                   return skuImagesEntity;
               }).filter(entity ->{
                   return !StringUtils.isEmpty(entity.getImgUrl());
               }).collect(Collectors.toList());

               skuImagesService.saveBatch(imagesEntities);

               List<Attr> attr = item.getAttr();
               List<SkuSaleAttrValueEntity> skuSaleAttrValueEntities = attr.stream().map(a -> {
                   SkuSaleAttrValueEntity attrValueEntity = new SkuSaleAttrValueEntity();
                   BeanUtils.copyProperties(a, attrValueEntity);
                   attrValueEntity.setSkuId(skuId);

                   return attrValueEntity;
               }).collect(Collectors.toList());
               skuSaleAttrValueService.saveBatch(skuSaleAttrValueEntities);

               SkuReductionTo skuReductionTo = new SkuReductionTo();
               BeanUtils.copyProperties(item,skuReductionTo);
               skuReductionTo.setSkuId(skuId);
               if (skuReductionTo.getFullCount() >0 && skuReductionTo.getFullPrice().compareTo(new BigDecimal("0")) == 1){
                   R r1 = couponFeignService.saveSkuReduction(skuReductionTo);
                   if (r1.getCode() != 0){
                       log.error("远程保存优惠信息失败");
                   }
               }

           });






       }

    }

    @Override
    public void saveBaseSpuInfo(SpuInfoEntity spuInfoEntity) {
        this.baseMapper.insert(spuInfoEntity);
    }

    @Override
    public PageUtils queryPageByCondition(Map<String, Object> params) {
        QueryWrapper<SpuInfoEntity> wrapper = new QueryWrapper<>();
        String key = (String) params.get("key");
        if (!StringUtils.isEmpty(key)){
            wrapper.and((w)->{
               w.eq("id",key).or().like("spu_name",key);
            });
        }
        String status = (String) params.get("status");
        if (!StringUtils.isEmpty(status)){
            wrapper.eq("publish_status",status);
        }
        String brandId = (String) params.get("brandId");
        if (!StringUtils.isEmpty(brandId) && !"0".equalsIgnoreCase(brandId)){
            wrapper.eq("brand_id",brandId);
        }
        String catelogId = (String) params.get("catelogId");
        if (!StringUtils.isEmpty(catelogId)&& !"0".equalsIgnoreCase(catelogId)){
            wrapper.eq("catalog_id",catelogId);
        }
        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                wrapper
        );

        return new PageUtils(page);
    }

    @Override
    public void up(Long spuId) {



        //查出当前spuid对应的所有sku信息，品牌的名字
        List<SkuInfoEntity> skus = skuInfoService.getSkuBySpuId(spuId);

        List<Long> skuIdList = skus.stream().map(SkuInfoEntity::getSkuId).collect(Collectors.toList());
        List<ProductAttrValueEntity> baseAttrs = attrValueService.baseAttrlistforspu(spuId);
        List<Long> attrIds = baseAttrs.stream().map(attr -> {

            return attr.getAttrId();
        }).collect(Collectors.toList());

        List<Long> searchAttrIds = attrService.selectSearchAttrsIds(attrIds);

        Set<Long> idSet = new HashSet<>(searchAttrIds);

        List<SkuEsModel.Attrs> attrsList = baseAttrs.stream().filter(item -> {
            return idSet.contains(item.getAttrId());
        }).map(item -> {
            SkuEsModel.Attrs attrs1 = new SkuEsModel.Attrs();
            BeanUtils.copyProperties(item, attrs1);
            return attrs1;
        }).collect(Collectors.toList());
        Map<Long, Boolean> stockMap = null;
        try {
            R skusHasStock = wareFeignService.getSkusHasStock(skuIdList);
            stockMap = skusHasStock.getData(new TypeReference<List<SkuHasStockVo>>(){}).stream().collect(Collectors.toMap(SkuHasStockVo::getSkuId, item -> item.getHasStock()));
        }catch (Exception e){
            log.error("库存服务查询出现异常:原因{}",e);
        }


        Map<Long, Boolean> finalStockMap = stockMap;
        List<SkuEsModel> upProducts = skus.stream().map(sku -> {
            //组装需要的数据
            SkuEsModel esModel = new SkuEsModel();
            BeanUtils.copyProperties(sku,esModel);
            esModel.setSkuPrice(sku.getPrice());
            esModel.setSkuImg(sku.getSkuDefaultImg());

            if (finalStockMap == null){
                esModel.setHasStock(true);
            }else{
                esModel.setHasStock(finalStockMap.get(sku.getSkuId()));
            }
            esModel.setHotScore(0L);
            BrandEntity brand = brandService.getById(esModel.getBrandId());
            esModel.setBrandName(brand.getName());
            esModel.setBrandImg(brand.getLogo());

            CategoryEntity category = categoryService.getById(esModel.getCatalogId());
            esModel.setCatalogName(category.getName());

            esModel.setAttrs(attrsList);
            return esModel;
        }).collect(Collectors.toList());

       R r = searchFeignService.productStatusUp(upProducts);
       if (r.getCode() == 0){
           //修改spu的状态，改为已上架

           baseMapper.updateSpuStatus(spuId, ProductConstant.StatusEnum.SPU_UP.getCode());
       }else{

       }
    }


}